ES515888A0 - "IMPROVEMENTS IN SECURITY SYSTEMS TO DETECT OBJECTS CROSSING A CERTAIN AREA". - Google Patents

"IMPROVEMENTS IN SECURITY SYSTEMS TO DETECT OBJECTS CROSSING A CERTAIN AREA".

Info

Publication number
ES515888A0
ES515888A0 ES515888A ES515888A ES515888A0 ES 515888 A0 ES515888 A0 ES 515888A0 ES 515888 A ES515888 A ES 515888A ES 515888 A ES515888 A ES 515888A ES 515888 A0 ES515888 A0 ES 515888A0
Authority
ES
Spain
Prior art keywords
certain area
security systems
detect objects
objects crossing
crossing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES515888A
Other languages
Spanish (es)
Other versions
ES8306264A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SECURITY PROD INT
Original Assignee
SECURITY PROD INT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SECURITY PROD INT filed Critical SECURITY PROD INT
Publication of ES8306264A1 publication Critical patent/ES8306264A1/en
Publication of ES515888A0 publication Critical patent/ES515888A0/en
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
ES515888A 1981-10-05 1982-09-22 "IMPROVEMENTS IN SECURITY SYSTEMS TO DETECT OBJECTS CROSSING A CERTAIN AREA". Granted ES515888A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000387303A CA1180788A (en) 1981-10-05 1981-10-05 System for registrating a passing article

Publications (2)

Publication Number Publication Date
ES8306264A1 ES8306264A1 (en) 1983-06-01
ES515888A0 true ES515888A0 (en) 1983-06-01

Family

ID=4121088

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515888A Granted ES515888A0 (en) 1981-10-05 1982-09-22 "IMPROVEMENTS IN SECURITY SYSTEMS TO DETECT OBJECTS CROSSING A CERTAIN AREA".

Country Status (7)

Country Link
JP (1) JPS58121495A (en)
AU (1) AU535114B2 (en)
CA (1) CA1180788A (en)
ES (1) ES515888A0 (en)
NL (1) NL8203849A (en)
NO (1) NO156349C (en)
ZA (1) ZA826195B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509039A (en) * 1983-07-05 1985-04-02 Minnesota Mining And Manufacturing Company Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system
NL8803170A (en) * 1988-12-27 1990-07-16 Nedap Nv IDENTIFICATION SYSTEM.
US5382780A (en) * 1993-10-01 1995-01-17 Duncan Industries Parking Control Systems Corp. Portable time metering device
JPH07263935A (en) * 1994-03-24 1995-10-13 Hochiki Corp Antenna equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645200B2 (en) * 1973-03-10 1981-10-24
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations

Also Published As

Publication number Publication date
ES8306264A1 (en) 1983-06-01
NO156349C (en) 1987-09-02
AU8867082A (en) 1983-04-14
JPS58121495A (en) 1983-07-19
NO823180L (en) 1983-04-06
JPH0354392B2 (en) 1991-08-20
ZA826195B (en) 1983-07-27
CA1180788A (en) 1985-01-08
NL8203849A (en) 1983-05-02
AU535114B2 (en) 1984-03-01
NO156349B (en) 1987-05-25

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519